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Graphical Representation of a Complex Portion of a Grammar Rule as an Embedded Sub-Rule

Publishing Venue

IBM

Abstract

Disclosed is a method for displaying a graphical representation of a complex rule in a grammar, which involves encapsulating complex portions of that rule into separate rule references and visualizing that complex logic in the graphical representation of those "embedded sub-rules".

Country

Undisclosed

Language

English (United States)

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Graphical Representation of a Complex Portion of a Grammar Rule as an Embedded
Sub-Rule

When building a graphical representation of a grammar rule for a speech recognition system,
rules may reference other rules (sub-rules) to build a complex hierarchy of grammar syntax.
However, it is also possible to create a rule where portions of that rule contain complex syntax,
which would complicate the high-level visualization of the rule structure. To resolve this, this
invention separates out those complex portions and represents them in the graphical
representation as a separate rule, referenced in the containing rule as an "embedded" sub-rule, to
signify that the rule doesn't stand on its own, but is instead strictly contained within the context
of where it is being referenced.

In one embodiment, this invention can be implemented in a graphical modeling tool for
grammars, where the source code for a complex grammar is translated to a graphical
object-oriented representation. The high-level visualization of the rule could contain simple
constructs of the grammar syntax (words and rule references), but anything more complex would
be split out to a separate sub-rule and referenced by a single object in the referencing rule. When
the user of the tool then makes modifications to the grammar rules and saves the model to create
the source code for the grammar, the "embedded" sub-rule would render itself as part of the
referencing rule, rather than as a separate and distinct...